function WebForm_FindFirstFocusableChild(control){if (!control || !(control.tagName)){return null;}var tagName = control.tagName.toLowerCase();if (tagName == "undefined"){return null;}var children = control.childNodes;if (children){for (var i = 0;i < children.length;i++){try{if (WebForm_CanFocus(children[i])){return children[i];}else{var focused = WebForm_FindFirstFocusableChild(children[i]);if (WebForm_CanFocus(focused)){return focused;}}}catch (e){}}}return null;}function WebForm_AutoFocus(focusId){var targetControl;if (__nonMSDOMBrowser){targetControl = document.getElementById(focusId);}else{targetControl = document.all[focusId];}var focused = targetControl;if (targetControl && (!WebForm_CanFocus(targetControl)) ){focused = WebForm_FindFirstFocusableChild(targetControl);}if (focused){try{focused.focus();if (__nonMSDOMBrowser){focused.scrollIntoView(false);}if (window.__smartNav){window.__smartNav.ae = focused.id;}}catch (e){}}}function WebForm_CanFocus(element){if (!element || !(element.tagName)) return false;var tagName = element.tagName.toLowerCase();return (!(element.disabled) &&
(!(element.type) || element.type.toLowerCase() != "hidden") &&
WebForm_IsFocusableTag(tagName) &&
WebForm_IsInVisibleContainer(element)
);}function WebForm_IsFocusableTag(tagName){return (tagName == "input" ||
tagName == "textarea" ||
tagName == "select" ||
tagName == "button" ||
tagName == "a");}function WebForm_IsInVisibleContainer(ctrl){var current = ctrl;while((typeof(current) != "undefined") && (current != null)){if (current.disabled ||
( typeof(current.style) != "undefined" &&
( ( typeof(current.style.display) != "undefined" &&
current.style.display == "none") ||
( typeof(current.style.visibility) != "undefined" &&
current.style.visibility == "hidden") ) ) ){return false;}if (typeof(current.parentNode) != "undefined" &&
current.parentNode != null &&
current.parentNode != current &&
current.parentNode.tagName.toLowerCase() != "body"){current = current.parentNode;}else{return true;}}return true;}